2205500666867 has 4 divisors (see below), whose sum is σ = 2238418587336. Its totient is φ = 2172582746400.

The previous prime is 2205500666861. The next prime is 2205500666903. The reversal of 2205500666867 is 7686660055022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2205500666867 - 2¹⁰ = 2205500665843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205500666861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16458960134 + ... + 16458960267.

It is an arithmetic number, because the mean of its divisors is an integer number (559604646834).

Almost surely, 2^{2205500666867} is an apocalyptic number.

2205500666867 is a deficient number, since it is larger than the sum of its proper divisors (32917920469).

2205500666867 is an equidigital number, since it uses as much as digits as its factorization.

2205500666867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32917920468.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 2205500666867 in words is "two trillion, two hundred five billion, five hundred million, six hundred sixty-six thousand, eight hundred sixty-seven".